Patch 4.3.0 (29-Nov-2011): Speed of Light no longer triggers from Holy Radiance and no longer lowers the Holy Radiance cooldown. Speed of Light now only triggers from Divine Protection.

Patch 4.2.0 (28-Jun-2011): Speed of Light now increases movement speed when Holy Radiance or Divine Protection are cast. In addition, this talent now reduces the cooldown of Holy Radiance by 13/26/40 seconds, up from 10/20/30.